| 摘要 |
<p>Apparatus for transmitting and receiving signals over residential electrical cables, including a processor, at least one transmitter, at least one receiver and at least one switch, the transmitter and the receiver both being coupled with the processor, the switch being coupled with at least one of the transmitter and the receiver, the transmitter for transmitting the signals, the receiver for receiving the signals, the apparatus being coupled with an electrical cable including an active wire, a neutral wire and a ground wire, the switch being coupled with the active wire, the neutral wire and the ground wire, the active wire and the neutral wire forming a first communication channel, the active wire and the ground wire forming a second communication channel and the neutral wire and the ground wire forming a third communication channel, the switch enabling at least one of the transmitter and the receiver to be coupled with one of the first communication channel, the second communication channel and the third communication channel.</p> |
